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11609 Commits

Author SHA1 Message Date
Michael Kerrisk 03611be8d7 user_namespaces.7: Add some references to other pages 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 6c3db75479 pid_namespaces.7: readlink(2) on /proc/self gives the caller's PID in the pidns of /proc 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 6e377abf9c pid_namespaces.7: Parent process relationships mirror parent PID namespace relationships 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 7a9ab60197 pid_namespaces.7: srcfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 546fb4eefe pid_namespaces.7: Rewrite discussion of nested PID namespaces 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 4085d4cde3 pid_namespaces.7: srcfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:16:00 -07:00
Michael Kerrisk 963e117faf pid_namespaces.7: Minor wording fix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 84030779d2 pid_namespaces.7: Reorganize and add some subheadings 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 7e0e902b55 clone.2, getpid.2, credentials.7: Replace reference to namespaces(7) with pid_namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 024d6a8449 namespaces.7: Remove PID namespaces material shifted to pid_namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk a79bacf5f1 pid_namespaces.7: New page splitting PID namespace material out of namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk f58fb24f16 clone.2, seteuid.2, setgid.2, setresuid.2, setreuid.2, setuid.2, unshare.2, capabilities.7, credentials.7: Change reference to namespaces(7) to user_namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 62a5214c57 user_namespaces.7: Reorganize and add some subheadings 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 67d1131fd9 namespaces.7: Remove userns material shifted to user_namespaces(7) 
The user namespaces section was getting long and unwieldy.
Split it into its own page, so that it can be better
structured with subtitles, etc.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 046de6a7d7 user_namespaces.7: New page splitting user namespace material out of namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 9552196ecb namespaces.7: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk e67b117c39 namespaces.7: Document association between userns and other namespace types 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 16fe718f99 setns.2: wfix 2014-09-13 20:15:59 -07:00
Michael Kerrisk e57c3979fe setns.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk ec66fbfff5 setns.2: Reorganize text on user namespaces 
And add reference to user_namespaces(7).

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 5c8d010b84 setns.2, unshare.2: Add reference to pid_namespaces(7) 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 5c67baab4f setns.2: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 7fc8e5ece2 setns.2: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk edc3c3b4c0 setns.2: Attempt to rejoin current user namespace gives EINVAL 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 365d292a3c clone.2, unshare.2, namespaces.7: clone() and unshare() fail (EPERM) if caller's UID/GID are not mapped 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 1d5adb6f9e namespaces.7: Userns creation associates eff. GID of creator with the userns 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 5eb7f09d7c namespaces.7: Move text on capabilities in user namespaces 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 7f76dc3079 namespaces.7: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk cda377d2bc namespaces.7: Clarify use of 'single line' case when writing userns map files 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk e2eb61370e namespaces.7: Note rules regarding capabilities and nested namespaces 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 9a80f81d04 namespaces.7: Clarify explanation of nested user namespaces 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 6be09bd882 namespaces.7: srcfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk fd4eb520d6 namespaces.7: srcfix: Added FIXME 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk aa49742066 namespaces.7: Mapping files are empty when a user namespace is first created 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk b87dd2afb0 namespaces.7: User namespace ID mappings can be defined via any member process's map 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk b2e73e0ce8 namespaces.7: Clarify max # of bytes that can be written to a user namespace map 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk 3fe8d14797 namespaces.7: Describe semantics of set-user/group-ID programs in a user namespace 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:59 -07:00
Michael Kerrisk e420879421 namespaces.7: Rewrite EPERM rules for writing to user namespace map file 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 1879c18c63 namespaces.7: spfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk d70ee6ff45 namespaces.7: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 6155c4554f namespaces.7: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 4d2d9a106f namespaces.7: Add further EINVAL cases for writes to userspace map files 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 0076479cdd seteuid.2, setgid.2, setresuid.2, setreuid.2, setuid.2: EINVAL can occur if UID/GID is not valid in caller's user namespace 
Also add namespaces(7) under SEE ALSO.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 8e5924c0a9 namespaces.7: Clarify a detail in permissions for writing to user namespace map files 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk cfc50babe7 namespaces.7: Violating rules for writing to user namespace map file yields EPERM 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk ed0ce71a31 namespaces.7: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 76f89cbea4 namespaces.7: ffix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk d3c16a98d1 namespaces.7: tfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk 147a0c9098 namespaces.7: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00
Michael Kerrisk b680649a5c namespaces.7: wfix 
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
 2014-09-13 20:15:58 -07:00